This fine vintage advertisement for a 1926 ad for Williams Oil O Matic Heating is in excellent condition but is slightly yellowed. This vintage heating magazine ad measures approx. 6 1/2" x 10" and this vintage Oil O Matic Magazine advertisement is suitable for framing. This vintage Williams Heating magazine ad depicts a woman waking up and the caption below the picture says "Men Can Be So Stubborn About A Thing Like Oil Heat" a Protest by "Mary Edgington Widney".